hearing protection is serious business, and damage to your hearing is permanent. From Peltor's active noise cancellation technology, to 3M and Moldex you will find your needs here at prices that cannot be beat.
Noise Reduction Rating (NRR)
The Noise Reduction Rating is measurment of how well protective hearing equipment protects your hearing. NRR is measured in decibels and the greater the number, the more noise reduction. OSHA basis is standard for occupational noise exposure 29 CFR 1910.95 with NRR. Employers are required to make available hearing protection, including earmuffs, to employees who are subject to noise levels of 85 decibels or greater for an 8 hour period.
Choosing the Right Earmuff
Bilsom and Peltor protective earmuffs come in a variety of styles and protection levels. After determining your work areas dB level (as explained above) its time to decide which style earmuff is right for your. Earmuffs feature cups with soft cushions that seal around the ear, blocking all external noise. Earmuffs with a high NRR are usually bulkier (larger cups) than those with a smaller NRR. Most earmuffs are made from plastic or a combination of metal and plastic. Earmuff are available in three different syles; over the head, cap mounted and behind the neck.
Over the Head - The common design for earmuff. This style sets over the top of the users head. When not in use, they can be worn around the neck.
Cap Mounted - These earmuffs are designed to mount directy to the sides of a hard hat that have side-accessory slots.
Behind the Neck - Similar to the over the head style, except the support comes from around the neck. This style earmuff can also be worn with a hard hat.
Frequently Asked Questions
Q: When does someone begin experiencing hearing pain and even loss?
A: Hearing pain and loss can begin to occur from noise levels in the 125-160 decibels range.
Q: Can earmuff and ear plugs be worn at the same time.
A: Yes they can. Using dual hearing protection usually adds 5-10 NRR.